title: [Use of progesterone for differential diagnosis of pregnancy and first degree amenorrhea].
mesh_terms: D000568:Amenorrhea; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D011247:Pregnancy; D011258:Pregnancy Tests; D011374:Progesterone
chemical_list: D011374:Progesterone
keywords: PREGNANCY TESTS
vernacular_title: Empleo de la progesterona para el diagnostico entre embarazo y amenorrea de primer grado.